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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Tait conjectures ： ウィキペディア英語版 Tait conjectures The Tait conjectures are three conjectures made by 19th-century mathematician Peter Guthrie Tait in his study of knots.〔.〕 The Tait conjectures involve concepts in knot theory such as alternating knots, chirality, and writhe. All of the Tait conjectures have been solved, the most recent being the Tait flyping conjecture proven in 1991 by Morwen Thistlethwaite and William Menasco. ==Background== Tait came up with his conjectures after his attempt to tabulate all knots in the late 19th century. As a founder of the field of knot theory, his work lacks a mathematically rigorous framework, and it is unclear whether the conjectures apply to all knots, or just to alternating knots. Most of them are only true for alternating knots.〔 In the Tait conjectures, a knot diagram is reduced if all the isthmi (nugatory crossings) have been removed. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Tait conjectures」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.